If you've ever been in a position to quit your job, you've come across the conundrum of how to do it. Do you write an email? Do you leave for home one day and never come back? Do you hire a barbershop quartet and have them sing your resignation for you? I've known people who have done each and every one of those ways and some turned out better than the others.The hashtag #QuitYourJobin5Words went viral overnight on Tuesday on Twitter and thousands of people contributed their own witty responses. Here are our favorites.